<?php

/* 
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
header("Content-Type;text/html;charset=utf-8");

$db=new mysqli("localhost","root","","db_bbs");
    if($db->connect_errno)
    {
        die("连接失败！出错原因是".$db->connect_error);
    }
    $db->query('set names utf8');